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spchapi.exe

Microsoft Windows NT Operating System

Microsoft Corporation

This is a setup program which is used to install the application. The file has been seen being downloaded from www.o2a.com and multiple other hosts.
Publisher:
Microsoft Corporation  (signed and verified)

Product:
Microsoft(R) Windows NT(R) Operating System

Description:
Win32 Cabinet Self-Extractor

Version:
4.71.1120.0

MD5:
46878602caa5debb728c0f740aeb45d6

SHA-1:
63237b1c8b656712d00a1e60a062a738f376a95c

SHA-256:
7b05a46c786c91492d154683259c229aa9456286f688da18d4016d91625bebcc

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)
Whitelisted  (by digital signature)

Analysis date:
11/23/2024 9:35:47 PM UTC  (today)

File size:
827.2 KB (847,096 bytes)

Product version:
4.71.1120.0

Copyright:
Copyright (C) Microsoft Corp. 1995

Original file name:
WEXTRACT.EXE

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\spchapi.exe

Digital Signature
Signed by:
Microsoft Corporation

Authority:
VeriSign, Inc.

Valid from:
4/16/1998 3:00:00 AM

Valid to:
4/17/1999 2:59:59 AM

Subject:
OU=Microsoft Corporation, CN=Microsoft Corporation, L=Redmond, S=Washington, C=US, OU=Digital ID Class 3 - Microsoft Software Validation v2, OU="www.verisign.com/repository/CPS Incorp. by Ref.,LIAB.LTD(c)96", OU=VeriSign Commercial Software Publishers CA, O="VeriSign, Inc.", L=Internet

Issuer:
OU=VeriSign Commercial Software Publishers CA, O="VeriSign, Inc.", L=Internet

Serial number:
7966966E83B0D0B601126E9DC0B46571

File PE Metadata
Compilation timestamp:
8/20/1997 3:02:36 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:THT72nlSwJL/1+DjTRjMGEGqv9BNvGnUQ0EJBfGiromFn:Tv2lSjjTl7qvlvWUEJZ0m5

Entry address:
0x2749

Entry point:
55, 8B, EC, 83, EC, 44, 56, FF, 15, 58, 11, 00, 01, 8B, F0, 8A, 06, 3C, 22, 75, 14, 8A, 46, 01, 46, 84, C0, 74, 04, 3C, 22, 75, F4, 80, 3E, 22, 75, 0D, 46, EB, 0A, 3C, 20, 7E, 06, 46, 80, 3E, 20, 7F, FA, 8A, 06, 84, C0, 74, 07, 3C, 20, 7F, 03, 46, EB, F3, 83, 65, E8, 00, 8D, 45, BC, 50, FF, 15, CC, 10, 00, 01, F6, 45, E8, 01, 74, 06, 0F, B7, 45, EC, EB, 03, 6A, 0A, 58, 50, 56, 6A, 00, 6A, 00, FF, 15, C8, 10, 00, 01, 50, E8, 0E, 00, 00, 00, 8B, F0, 56, FF, 15, C4, 10, 00, 01, 8B, C6, 5E, C9, C3, 56, 33, F6...
 
[+]

Entropy:
7.9339

Developed / compiled with:
Microsoft Visual C++

Code size:
36 KB (36,864 bytes)

The file spchapi.exe has been seen being distributed by the following 7 URLs.

http://www.o2a.com/.../spchapi.exe

http://www.goldword.com/.../MSpchapi.exe

http://www.audiochannel.net/.../SPCHAPI.EXE

http://www.saveontelephonebills.com/skype/.../spchapi.EXE

temp:SPCHAPI.EXE

http://download.microsoft.com/download/speechSDK/Install/4.0a/WIN98/.../spchapi.EXE

http://supportcontent.nuance.com/.../4280-spchapi.exe

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